This book is not free

Well… it’s free as in freedom, but not free as in beer. Although you don’t necessarily have to spend money to buy it.


You are most welcome (and encouraged) to buy me a coffee / beer / pizza to show your appreciation if you enjoy this book and you get something out of it— you learn some new tricks, speed up your efficiency, save your company tens of millions of dollars, and so forth. You can do that by clicking below:

This will not unlock special features of this book, or remove ads, because there are no features to unlock, and no ads to remove. You get the goods up front, and beyond this page, I won’t solicit you any further. If you finish the entire book, and learned some cool things, or especially if you find yourself returning here repeatedly for reference, I ask you to please consider being a supporter.

If you’re strapped for cash, waiting for your Bitcoins to mature, spent all your money investing in a llama farm, et cetera— you can make this book better. I’m a big believer in open source software, and this book is no different. Spot a tpyo typo? See something grievously wrong? Want to clarify an example? Make a pull request, and improve the quality for the next person who reads this book. Click the GitHub icon on the top right of the page to visit the repo. There are instructions on that page for getting everything set up for you locally.

If you don’t want to part with your hard-earned money, and have no desire to improve the content via pull requests, then tell someone about it. Mention this book to a friend, colleague, or enemy. Post a link to a forum you frequently visit. Tweet a link to it. The more people that see it, the better— for everyone. More eyes on the content ensures mistakes are caught, wrongs are righted, and knowledge is shared. Python programming efficiency soars, the global economy recovers, and cats and dogs live together in harmony.